/*
 * Copyright (C) 2000-2008 Jens Nixdorf and various contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies of the Software, its documentation and marketing & publicity
 * materials, and acknowledgment shall be given in the documentation, materials
 * and software packages that this Software was used.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package org.mopore.jat.board;

import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.Point;
import java.awt.Stroke;
import java.awt.geom.GeneralPath;

public class MarkingPainter {

    public void paintMarking(final Graphics2D g, final Composite origComposite,
            final Marking marking) {
        Stroke oldStroke = g.getStroke();

        g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, .3f));
        g.setColor(marking.getColor());
        g.setStroke(new BasicStroke(marking.getSize(), BasicStroke.CAP_ROUND,
                BasicStroke.JOIN_ROUND));

        Point[] points = marking.getCoords();
        GeneralPath polygon = new GeneralPath(GeneralPath.WIND_EVEN_ODD, points.length + 1);

        Point start = marking.getStart();
        double x = start.getX();
        double y = start.getY();
        polygon.moveTo(x, y);

        for (Point point : points) {
            if (point == null) {
                break;
            }
            x = point.getX();
            y = point.getY();
            polygon.lineTo(x, y);
        }

        g.draw(polygon);
        g.setStroke(oldStroke);
    }
}
